Using superior flexibility birch solid wood, no veneer, no plywood, solid wood, hard, high air-dry density, less scarring, original wood, feel the breath of nature.Solid wood rounded edge design, stylish, comfortable, anti-knock, flannelette cushion, filled with high resilience sponge, comfortable. If there is a slight color difference This is a normal reason, due to light, may have a slight color difference.Before the age of 15 is the best time for correction of sitting posture. Sixty-three percent of children have a poor sitting posture, which is caused by the unsettled cervical spine before the age of 18, and the age of 7-12 is the student’s spine development period. This is the best period for shaping a student’s healthy sitting position.By the lowering position of the knee, pelvis rotation of former, spine straight, upper thighs gravity transmitted by the lower part of the hip, knee derived.Ergonomic, correct posture, to help get rid of everyday habits bad habits. Kneeling position chair, computer chair, simple rocking chair, versatile, but also when the student seats, office white-collar lounge chair.